A natural satellite or moon is a celestial body that orbit a planet or smaller body, which is called the primary. Technically, the term natural satellite could refer to a planet orbiting a star, or a dwarf galaxy orbiting a major galaxy, but it is normally synonymous with moon and used to identify non-artificial satellite of planets, dwarf planet, and minor planet. (There are no known natural satellites of moons.) Two hundred and forty bodies, all in the Solar System, are classified as moons...
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A natural satellite or moon is a celestial body that orbit a planet or smaller body, which is...
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